Necklace



FIG. 1 is a perspective view of a necklace showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is an enlarged front view thereof.

The broken lines in the drawing illustrate portions of the necklace that form no part of the claimed design. 

CLAIM The ornamental design for a necklace, as shown and described. 